edgehim:

masturbatorsanctum:

Comparative ejaculation, from the same guy, but on different days :

1. after usual masturbation (top)
2. after an edging session (bottom)

Observe that ejaculation lasts much longer after edging. For the cuming man, the difference is both noticeable and enjoyable.

You can see the original vid on GfyCat

Edging (bottom shot) vs. not edging (top shot)