I use these for DB, mainly because I just prefer the fatter grip as my handles are thin even for my Trump hands. Hunt around though, non branded ones will be half that price.
*New page Fat Grip fail.
Quick search found some for a tenner fulfilled from UK.
@Dammit, I was chatting to a friend yesterday- He swears by Fat Gripz for grip and forearm strength.
He used them for high rep, low-ish weight finisher sets to break through a couple of deadlift plateaus
https://www.amazon.co.uk/Fat-Gripz%C2%AE-Award-Winning-Shortcut-Head-Turning/dp/B07QKML1SL/