Homemade masturbation devices

Without buying anything:
1.get a use pair of pants/tshirt/clothes which has a slippery side(best: polyester fiber). Anything goes, but too little material will feel unsatisfactory.
2.Fold it round a central axis of your finger
3.rub a few drops of neutral shampoo/soap/etc on "active" surface
4.Open your favorite fap/porn/hentai folder, select picture.
5.Put dick inside and move this contraption up and down.

tfw Virtual Reality and Oculus Rift can't compete with this