Biscuit shelf pins test. John Heisz demonstrating the strength of the biscuits as shelf pins.
They held up well enough, until the third jump test. But analyzing the footage, it was actually the shelf that broke first. had this been shelf pins, they would have torn thru the shelf long before the biscuits failed.
John's video on making the biscuit joint shelf pins
More fun with John Heisz
Tags: Biscuit shelf pins test, shelf pins, strength test, biscuit jointer, adjustable shelves