Have you seen the numerous chastity threads on here? ( This one is especially interesting) might be something that would be up your street
For me, i find collars a good option as theyr easy to put on and remove myself and Get me in a sub head space nicely.
There have been quite a few game suggestions on here as well, things like getting your Partner to pick a predetermined time or scenario. Like how long you have to edge yourself for, for example.
This thread also had some nice ideas for solo bdsm too