LPT: Put a coin in your grinder! It helps seperate kief from flower allowing you to collect a lot more kief. I use my D.A.R.E coin from middle school : r/trees
Dollar Coin Herb Grinder | LOOKAH
Herb Ripper Stainless Steel Grinder – Sneaky Pete Store
Keeping a coin in your grinder : r/trees
Infiniti Quarter Turn Grinder | Smoke Country
A quarter I've had in my grinder for 13 years : r/trees
What is a Grinder Coin, and Why Should You Use One? | PotGuide
Found the perfect grinder coin [6] : r/trees
A nickel in your grinder? | Grasscity Forums - The #1 Marijuana Community Online
Custom Grinder Coins by JayHobo
Fellow Ode Brew Grinder Gen 2: Matte White - SFMOMA Museum Store
What's a 'Grinder Coin', and How Does It Affect Your Kief Collection? | Leafly
Fellow Ode Brew Grinder Gen 2: Matte Black - SFMOMA Museum Store
Quarter Turn Grinder by Chromium Crusher | Smoking Outlet