Dododex
ARK: Survival Evolved & Ascended Companion
If you pick up a wild dino in the claw you can get off the crab and it will…

If you pick up a wild dino in the claw you can get off the crab and it will still be held. So you can grab something like a ravager and it will be chilling there while you make narcotics and such. Also for ravagers you can pick up the alpha without angering the others just don’t attack or it makes things harder.
More Karkinos Utility Tips
If you're carrying a tamed Doedicurus in your claw the Doedic will automatically start harvesting any stones you hover him over. Just start pumping points into your Doedic's weight because it will stop at about half of its own carry weight. I've yet to discover another tame it will work with though...
Literally the most useful creature ever ,
Need stone/metal/flint it can carry both anky and doed at the same time while benefiting from their weight reduction
Need wood? Can carry the bevear guys plus it got a huuuuge weight so it can carry anything
Need DMG? It has lots already
Need tanking? LOTS WITH stegso Especially
Need a caring soulmate to help you when your at your deepest? ...... Honestly it don got that but it can jump like three stories high