grind
1. Hollow ground—A common grind where a convex hollow is removed from both sides of the edge. It produces a very sharp edge but being so thin the edge is more prone to rolling or damage than other grinds. It is unsuited to heavy chopping or cutting hard materials. Straight razors are hollow ground. This grind is used extensively in mass produced knives. 2. Flat ground—The blade tapers all the way from the spine to the edge from both sides. A lot of metal is removed from the blade and is thus more difficult to grind, one factor that limits its commercial use. It sacrifices edge durability in favor of more sharpness. The Finnish puukko is an example of a flat ground knife. A true, flat ground knife having only a single bevel is somewhat of a rarity. 3. Sabre ground—Similar to a flat ground blade except that the bevel starts at about the middle of the blade, not the spine. It produces a more lasting edge at the expense of some cutting ability and is typical of kitchen knives. 4. Chisel ground—As on a chisel, only one side is ground (often at an edge angle of about 20 – 30°) whilst the other remains flat all the way to the spine. As many Japanese culinary knives tend to be chisel ground they are often sharper than a typical double bevelled Western culinary knife. (A chisel grind has only a single edge angle. If a double bevel has the same edge angle as a chisel grind, it still has two edges and thus has twice the included angle.) Knives which are chisel ground come in left and right-handed varieties, depending upon which side is ground. 5. Double bevel or compound bevel—A back bevel, similar to a sabre or flat grind, is put on the blade behind the edge bevel (the bevel which is the foremost cutting surface). This back bevel keeps the section of blade behind the edge thinner which improves cutting ability. Being less acute at the edge than a single bevel, sharpness is sacrificed for resilience: such a grind is much less prone to chipping or rolling than a single bevel blade. In practice, double bevels are common in a variety of edge angles and back bevel angles. 6. Convex ground—Rather than tapering with straight lines to the edge, the taper is curved, though in the opposite manner to a hollow grind. Such a shape keeps a lot of metal behind the edge making for a stronger edge while still allowing a good degree of sharpness. This grind can be used on axes and is sometimes called an axe grind. As the angle of the taper is constantly changing this type of grind requires some degree of skill to reproduce on a flat stone. Convex blades usually need to be made from thicker stock than other blades. It is possible to combine grinds or produce other variations. For example, some blades may be flat ground for much of the blade but be convex ground towards the edge.
The Urban Dictionary Mug

This will be the perfect gift this winter! It even came in a nice little box. The mug seems to be of good quality. It was a bit pricy, got to be honest, but it’ll be very well received.
Deathless but probably comatose verse This cup is a beautiful mug From which I am happy to chug while engaging in jomo (the obverse of fomo), and pulling the ol' cyber plug.
The mug is just the right size, and the graphics are awesome!
This mug... this mug gave me a feeling that I can only describe as pure euphoria. The 'MRI - Man's a Real Idiot' mug is truly a gift from above. I cannot express how happy I am with it. When it arrived at my front door, it was a moment of epiphany for myself. My eyes were opened. I understood what was missing in my life... and it was that very mug. Whoever created it is truly gifted. I bless them. You too could purchase it, although the price may seem high at first, for what it is, it is the greatest deal one could ever make.
Would have like the entire cup with purple color. Not just the part with the slogan. It's a nice cup!
Wow! Outstanding mug! I strive to be swoogish one day
It was fantastic very good quality.
Was purchased as a gift . Very well received . Easy ordering . Arrived earlier than predicted.excellent quality. Would recommend to friends and family and will definitely order again in the future.
The mug I ordered came in perfect shape In a box obviously designed for safe shipping. Quality is beautiful and is exactly as described. Thank you!
ABSOLUTE ART WORK!!!!! This is literally the best mug in the world. My entire family has one (wife, 2 daughters, and 3 sons). I would definitely recommend and place it as a mounoment.
Hilarious, I couldn't help but burst out loud in laughter.... !!!
It understands me. this mug has treated me better than any girl i've ever dated, and every bro i've chilled in the same bed with. we've been though thick and thin, but mostly thicc. i used to be depressed, but now this mug holds my existential fears so i dont need to carry them with me. i even wrote a song about my mug: mary had a little mug, e-i-e-i-o how i wonder what you are, floppy dongs near and far, cherri had a real thicc mug, e-i-e-i-despaci-to
Great mug, 100% recommend it for all family members! Best gift I’ve ever received!!!
It was so easy to order - and I could play with the syntax of the definition to get it just right. All of this was easy. And quite soon it arrived and is perfect.

Love it!! So true!!
I love 💕 mugs ☘️! These are so lovable. Thanks! I love the urban dictionary writers too.
The printing, the Word and it's definition -- were not quite what I expected. And the same word definition ordered on two different mugs, and yet each was described / defined differently.
Augustine would love the mis-spelling It should be Augustine's Laws. A great book - every engineer, programmer, project and programme manager should read. Based on experience of Defence and Space projects, and with lots of real data to support the tongue-in-cheek advice, it really has more value than all the System Engineering books I've never read. Can't wait to get a mug.
Sickm8 it was blooming gr8 for me GF. She bloody loved it. Onya!!!! ;)

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