This happened a few years ago with my then girlfriend. For background I’m 27 and about 6’1″ and 180lbs with a muscular build. I go to the gym a fair bit. She was about 5’4″ and curvy in all the right places with huge boobs (E cup or a bit bigger). Think Ashley Graham but a little shorter.
Before me Katie had dated guys who were pretty vanilla as far as sex went. No guy had even spanked her until I did which she loved. She knew that I had done some bondage and a few other things in past relationships and wanted to try it. I agreed and suggested we start out small with something like wrist restraints and maybe a blindfold. You don’t break out the whips and ball gags for the first time.
After this I hit up amazon and some sex toy websites to see what I could find and decided to surprise her. What I got was this: https://www.pinkcherry.ca/under-the-bed-restraints-1 plus a blindfold and a flogger. Figured if using the whole thing was too much for her at first I could always detach the cuffs and use them separately.