>>12883602Normally. Length wise foreskin should be able to cover the head no matter whether it's hard or not. Obviously you pull it all back during sex or regular masturbation, completely revealing head. When you edge for a long time with head revealed, it dries in open air unless you smear precum on it so yeah, it would be hard to tug it back forward if head is fully hard. When you masturbate by tugging head inside foreskin though, basically creating friction between head and soft foreskin inside, foreskin stays on all the time so when you are about to cum you can just squeeze the tip closing the opening and keep cum inside until you decide to drop it somewhere.
Also pro-tip: instead of jerking by running hand or foreskin on the head, pull the skin back fully back to the point it doesn't hurt yet, but it tightens skin on the head. It's very gentle so you're much less likely to end with deathgrip. Despite doing marathons of edging for hours and cumming like several times a day I never had problem with sex. Last time I visited whore her blowjob was even too painful for me so I had to ask her to suck it gently.