See...PCs are good for something...
So here's your dilemma. You bought a sweet ass dual module for your G4 DA/G4 Sawtooth off ebay right...and you're all stoked to get it running...but wait...your stock heatsink won't fit...what to do... Just grab that PII 266 that your parents bought to run Win95 and yank the heatsink off that sucker.

   

Only one clip is needed.
Perfect fit!
See the rubber spacer? It increases spring tension. Also note the cold plate.
From the top...more than enough cooling