nostr:npub12kel9g0hwt6t4qe02q8yzej0tjavmtut0yh9dwatykjzzwgawsys2eggap nostr:npub1aem2tstsjh9yxetrn9732y3x44dj3sw7rtjesv09vlmzxvtryk5s29r94a regular pliers or channel locks/knippex pliers work well on those. they even make some dedicated hose clamp tools that work well and will lock on so you can lock them on in hard to reach places. https://www.amazon.com/BETOOLL-Reach-Clamp-Pliers-Water/dp/B00Z9RSU9W/ref=sr_1_2_sspa?crid=304IIJ0UAX9PM&keywords=hose%2Bclamp%2Bpliers&qid=1695925197&sprefix=hose%2Bclamp%2Bp%2Caps%2C1938&sr=8-2-spons&sp_csd=d2lkZ2V0TmFtZT1zcF9hdGY&th=1