it allows you to control the airflow so your concentrates get fully vaporized

It's made of thick

which is available in King Size

and glass collar

Each tip rolls in a smooth fashion

Jay and Silent Bob Bluntman Grinder Color:Black it allows you to controlThis totally legit dry herb grinder features Jay and Silent Bob official artwork. It's a durable, 3 stage grinder made of tough aluminum that's designed to shred and grind your herb into the perfect fluffy consistency for rolling or packing. Just drop in your herb, close the magnetic lid and start twisting. The Bluntman Grinder will get to work with its precision sharp teeth. Your ground herb will go through the sifting screen then down into the stash