Film canisters or small round items, such as pill container, may be used to create easy hold grips for many items for individuals that may have trouble gripping a crayon because of how small it is. Also works for colored pencils and markers, hole sizes vary for what you choose to use!
Film Canister or Pill Bottle
Cut an X that is about the width of the crayon in the bottom and top of the container. Insert the crayon through the Xs. Note: By using both top and bottom of canister the crayon is more stable.