Canon HF M31 - Manual (Page 23)

Preparations
Š 23
Grip Belt and Straps
Fasten the grip belt.
Adjust the grip belt so that you can reach
the zoom lever with your index finger, and
the
g button with your thumb.
To remove the grip belt
1 Lift the padded handgrip's flap and detach the strap from the Velcro
pad.
2 Pull the strap to remove it first from the front bracket on the
camcorder, then to unthread it from the handgrip and finally to
remove it from the rear bracket on the camcorder.