Um, its a ring not a trampoline. You can get a good quality ring at highspots.com for a few grand.
Yes, if you look at sincara´s entrance he uses a trampoline
you can you have to build them your self
yes why do you think the ring goes up and down
Yeah, he jumps from a trampoline when he enters the ring.
No it does not have beat the clock and King of The Ring
King of the ring was a tornament with Smackdown and Raw superstars to receive the title of that years king of the ring
yes
how do you get weapons under the ring
Go out of the ring and press any button before your opponent gets out of the ring
To enter (or exit) the ring on Smackdown! vs. Raw 2007 (for PS2), press X while the left analog stick is pushed in the direction of the ropes.
You go beside the ring steps and press A.