Sorry if this is common knowledge (I didn't see any posts about this), but when someone is on a platfrom above Snake, Snake can jump up and stick a C4 to them without landing on the platform. This seems just as useful as sticking C4s after powershielding and downthrow.
Heres a quick demonstration: http://www.youtube.com/watch?v=IdciCQCzXjc
Heres a quick demonstration: http://www.youtube.com/watch?v=IdciCQCzXjc