The guillotine press – where you bring the bar down to your neck instead of the lower pecs – is a great chest developer. But there is risk. Keep these light and under control. This is not a bench press variation to go heavy on. And don't try to set a PR! This is bodybuilding, not powerlifting.
My favorite way to use it is 6 x 6 with 20 second rest periods between sets.
Originally coined "The Bear" by John Davies, this series of five exercises in one teaches the body to move with great ROM in a fluid, powerful, and fast manner. It's fantastic as a total body warm-up, improving overall power production and motor skill coordination in a short period of time.
Finally, some ammo to use against those putzes who insist on benching with their feet in the air. Craig also makes the case that chin-ups are a better lat exercise than pull-ups. Let the arguments begin!