If you check out the December 8th photo update on the Maverick page, the photo caption does say that they were filling the supports with sand, and that they use the caps to get the sand in there.
'08 Zone 3 Asst. Sup.
'07 TL Mantis / TL Raptor
'06 Guest
'05 ATL maXair / TL maXair
'04 Disaster Transport / Wicked Twister
You must be logged in to post