I‘m in for the next 45 Minutes
Two variations:

If towel drops:
a) I continue jumping
b) you can have me jerking for the remaining time.

Kik me :)

I'm in for this, my kik is kikker2222

Like this one in for next 90 minutes. Kik nyisles00

Ok, so lost a bet - have to post in here for an hour.

Can do on Kik or Skype :o

I’ll do it for an hour
 

In for 1 hour!

Kik SullySand

Sounds fun I am in for next two hours
Kik nyisles00

In for this today

I'm in with face for next 30 mins. If the towel drops you can expose me online (pls send me the link afterwards).

I'm in; Kik is fag_boy_

I am in for next 2 hours
Kik nyisles00