How does the cushion deform during a high-speed kick or bank, and how does one take advantage of the effect?
Here’s a good slo-mo video of this: HSV 6.1 – Cushion deformation during a high-speed kick or bank. And here’s another:
The “coin hop off the cushion into a glass” trick shot is a classic cushion-compression proposition shot example:
And here are some actual shots that take advantage of this effect:
And here are some others from from Vol. V of the Video Encyclopedia of Nine-ball and Ten-ball (VENT):
Here’s a bank shot (made famous by Eddie Taylor) that uses cushion compression and pocket facing stiffness to avoid a double kiss:
And here are some interesting shots with two balls frozen to a rail, relying on cushion compression and double kisses:
See also: pocket point compression shots.