Bathmate
Pros: 1. Easy to clean.
Cons: 1. Little painful/uncomfortable at first.(No pain no gains)
2. Scrotum Suction, when not used properly or with lube on your skin.(There's always gonna be a little SS, it just don't hurts)
Cock ring
Pros: 1. It's very discreet.(No one will ever know you're wearing it)
2. With the right size it can be used for expressive stretches.
3.With the right size it can be used for lasting longer or for edging.(obviously pc muscle it's more constricted and you can feel so clearly every kegel or reverse kegel)
4.With the right size it can be used for jelqs, specially lower shaft/ base jelqs.
Cons: 1. Depending on the material finish it can pull your skin/hair.(use some lube)
2. Due to long periods used it can expand a little. (nothing to serious)