Safe self bondage... suggestions?

[whatcanisayy]

Hey everyone,

for an e-stim dare tonight I am looking for safe self bondage suggestions.
The dare is to turn my e-stim device to full power and throw the remote out of reach - and I'm only allowed to untie after cum... really hard dare

I thought about seating position on a chair, with hands tied on back of the chair. Maybe also balls tied to hands with a lace that runs under the seating surface...

All knots etc. don't have to be strong, it should just prevent me from untying myself too quickly. Anyone ever tried something like that?

[whatcanisayy]

Okay I thought a bit further and right now I'm in the process of building a small self bondage lock. It will work with an electromagnet that holds together two plates in which the handcuffs are locked. Releasing after a certain time or after cum, detected by a cum sensor.

Any more ideas?