CinemaIK gives you opportunity to handle character’s IK pass to make animations more alive. You don’t need to create new animation clips for characters and on top of that making new animations with CinemaIK is extremely easy.
Features:
-Easy and fast
-User friendly interface
-Fully operational outside Play mode
-Production ready. Tested on our released games
-CinemaIK works separately from character game object to make it possible to animate it separately in Timeline
Original_Link: https://assetstore.unity.com/packages/tools/animation/cinemaik-153505