FZRSupport: the FZROnline Archive

Is there an easy way to do this? or a trick? I have been trying to put this SOB back on, and every time I get one side fitted on, the other side pops off.. the clamps are all loose. I don't believe I have ever lost my lid over something so seemingly simple..

Blow dry the bottom of the boots for like 2-3 minutes and it'll go on smooth as butter