I did some really good flying towing gliders in a Pawnee after I got my PPL. Hours were slow, it's about 0.2 a launch, and I got a few hundred hours over a few years but it was great flying, all stick and rudder. I wish I had kept flying for them maybe a few days a month but it got too busy with another job. Maybe one day I'll get back into it.
When I mentioned it to a another pilot and he heard it was unpaid volunteer work, I got one of those rants about the industry going down the drain, everybody not paying award, me being taken advantage of etc...
Sometimes I wonder if gliding clubs get these people knocking on the door all the time and asking for award wages when they have a full roster of tug pilots that are often passionate glider pilots themselves too and a member of the club