Personally, I have never found Band Craw good. Maybe I'm a poor user of it but I really don't see what it does better than standard LO Craw. It would be nice if you provided some calcs though.
LO craw really struggles to set up and put in work vs offense unlike CB which just clicks a STAB and watches something drop. Being more threatening right off the bat improves the mu vs stall too with its ability to not have to get to +2 to beat physdef skarm (and everything else)
252 Atk Life Orb Adaptability Crawdaunt Crabhammer vs. 252 HP / 252+ Def Skarmory: 153-182 (45.8 - 54.4%) -- 5.9% chance to 2HKO after Leftovers recovery
252 Atk Choice Band Adaptability Crawdaunt Crabhammer vs. 252 HP / 252+ Def Skarmory: 176-208 (52.6 - 62.2%) -- 99.6% chance to 2HKO after Leftovers recovery
252 Atk Life Orb Adaptability Crawdaunt Knock Off vs. 248 HP / 96+ Def Mega Venusaur: 125-148 (34.4 - 40.7%) -- guaranteed 3HKO after Stealth Rock
252 Atk Choice Band Adaptability Crawdaunt Crunch vs. 248 HP / 96+ Def Mega Venusaur: 174-206 (47.9 - 56.7%) -- guaranteed 2HKO after Stealth Rock
obviously there are many more than these two and just generally denting most things more but yeah. Its worth considering that craw has a very hard time actually setting up in this meta (even vs stall gotta worry about burn or toxic from quag, para or tox on chansey, ww on skarm, burn from sab, giga drain from amoong, etc). Even if it does manage to set up, plenty of things on offense like latios that normally revenge kill bd azumarill can revenge this too, so its not very hard to halt a sweep. i find it works best as something that comes in w/ voltturn support on slower more passive mons and will either kill or severely dent almost anything that comes in depending if you predicted correctly and then switch out (almost like a mini hoopa) and cb is the best for accomplishing that in this meta.
also i just realized adamant is slashed on craw. I think it should definitely be unslashed jolly is suuuper important to pressure offense as well. the set details dont even give a valid reason to run adamant other than the arbitrary "more power" without actually saying when that would be important. It does help vs stall to go ada w/ better rolls on skarm before boosting and stuff but i think its a really inferior option overall.