Oh? 
If not wrong, there is even an animation vid on how Stiff Rings help...in mass production vehicles.
Or similarly, pls Google for Rigid Collars by Spoon for videos of similar nature.

For a more direct approach, perhaps yu can try email yr queries to : info@stiffring.com

Or even call Chin @ 012-670 5167 for a more personal communication? 

Best wishes & Good Luck! 

ps. Juz wanna make it very clear that me hv nothing to do with Stiff Rings except as a satisfied customer...

if the subframe and the bolt totally no gap, then there is 100% no movement....if the bolt n subframe got minimal gap, then there is where u need to instal stiff ring to seal d gap in between

correct me if im wrong

http://www.google.com.my/search?q=car+cros...zL8nmrAex_bitDQ

this is what old cars (like our iswara) has.

while newer cars:
http://www.google.com.my/search?q=car+cros...iw=1280&bih=679

we all on same page now?