Thadhydromax
Bathmate pumps are devices that come with a lot of parts that require specialized lubricant once in a while. It is imperative to choose your lubricant carefully because some of the lubricants might cause your pump to deteriorate. It's recommendable to use water-based lubricants and avoid oil-based lubricants because they might react with different parts of the pump.
As you well know, the pump head is a very important part of the Bathmate pump. For this reason, it is very important that you take great care of this part.
Penis bruising- If you pump your penis too hard, you will definitely get bruises around the penile shaft.
Testicles swelling- this happens when you pump too hard to an extent that the testicles are sucked inside the pump. In case of such a scenario, refrain from using a penis pump. or Bathmate here - https://pinshape.com/users/935273-maxbathmate