Vent hole
Revision as of 19:01, 8 November 2010 by Kellytehuna (talk | contribs) (Created page with '==Definition== An small hole that intersects the bottom of gripping hole to help release any vacuum that might be created in that hole. ==Purpose== A vent hole allows air to r…')
Definition
An small hole that intersects the bottom of gripping hole to help release any vacuum that might be created in that hole.
Purpose
A vent hole allows air to rush in to the void as the finger, or thumb, is exiting allow it to clear the hole more easily.