It actually is a good idea, having an glove fins for a little increase of velocity under water while you aren't holding any tool would help, and adding some features like holding more dangerous fish as suggested by peeko would be nice.
About the vehicles. I really like the idea of the crab amphibious vehicle, it wold be nice to have something to move fast when diving for fast dislocation and yet have and moderate movement on terrain for more precision work, like mining. And have s…
The idea to have a new vehicle for gliding would be awesome, but how it could come back from an high base? it would need some wells or something similar?
Also it could be an module for the Seamoth, so they wouldnt need to build a new veh…