The usage of various devices/stones can go two ways:
1. Masseur is too lazy to do all the job by himself and rely on bells and whistles in order to not get tired/bored/overwork himself (underline applicable). I literally saw masseurs using Theragun and yawning at the same time, wishing for all this to be over soon.
OR
2. All the bells and whistles are pleasant addition to already excellent massage skills, and can be very (!) exciting.
Yes, I've been in both situations. And now I wonder which one applies to him. He seems nice and I have a thing for tall men. At his $200 starting rate I'll wait for someone respectable in this forum to take a dip.