This rig and double bounce walk cycle for Maya is included in Zoo Tools Pro.
Built with the Hive Auto-Rigger which is also part of Zoo Tools.
Hive Auto-Rigger
https://create3dcharacters.com/maya-h...
Zoo Tools Pro
https://create3dcharacters.com/zoo2/
All Included Rigs
https://create3dcharacters.com/maya-t...