Actually, I don't. The first 2 years I played bass I had blisters/calluses on my fingers constantly. But for the last 4 years, I haven't had any. Why does this happen? After a while it's like my fingers got used to it and softened up again. I still have very small calluses on the tips of my left hand fingers, but thats it. Where'd they go? Does anyone else get this? BTW, I haven't really cut back on my playing at all, if anything I play a lot more now then I used to.