Nadal, blisters are reserved for just two places, your foot and…..
Buddy, if you are getting blisters on your finger, you are not using the right technique, both on and off the court. Either that, or I cannot even imagine how many blisters you have elsewhere, if your finger is already falling apart.
And that finger has an expiration date, on how many times it can go up your fanny.
Please use body parts as directed!!!!!!!!!!!!!!