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Your cart is empty.Grind your glass without irritating your thumbs! The Thumbonie's ergonomic design makes it comfortable to grind any piece of glass with side vents to reduce internal buildup of heat. Included is a rubber O-Ring to prevent slippage of the glass while grinding. Unlike other grinding accessories you no longer have to sacrifice comfort for functionality with the Thumbonie.
Customer
Reviewed in the United States on January 4, 2025
This thing has greatly reduced cuts on my fingers while grinding and makes putting even pressure on the glass while grinding much more comfortable.
Leah
Reviewed in the United States on November 1, 2024
The media could not be loaded.
Jalen Miller
Reviewed in the United States on January 18, 2024
Youd be better off making it yourself. 20$ for something that cost them 2 cents. Rip off
Debbie
Reviewed in the United States on December 13, 2023
First of all, I AM ordering a second one for my other thumb; that’s my only complaint is that they aren’t sold in pairs since you must use both thumbs for glass grinders so why only one in the pack?! I have been purchasing every different grinder ‘cookie’ on the market trying to find one that is usable for my custom stained glass pieces. I always have very tiny detailed glass pieces to grind and I end up grinding my fingernails so low they sometimes bleed! After a recent project I had no fingerprints on my index fingers and thumbs! These thumb protectors are the best of all the varieties on the market. Also I can use them on thumb OR index finger. Buy them; they work
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