What hose to pinch when towing ?

[Branbett1]

I have a 2002 Seadoo GTX RFI. I’ve looked at the pics of the manual and the seadoo itself and can’t find what hose to pinch when having to tow.

 

[vogs77]

Largest hose coming off of the pump is your water inlet

 

[Branbett1]

I don’t know what that is lol