Rig a layer to 2 different parents in After Effects. It will create a “joint” between them and distort accordingly.

Features
Link a layer to 2 parents
Perfect to add to your IK rig for arms, legs, etc
Add “Squash & Stretch” with user definable strength
Definable Bezier Tension and midpoint
Accurate motion blur including distortion
Avoid self-intersections
Super fast rendering
Fully native plugin