The 360 flip; tre flip; tre bomb ; the whatchamacallit that looks cool in the girls eyes.
This trick is fairly simple.
Beginning with this trick, it is a great idea to be comfortable with flip tricks such as the kickflip, and pop shove-it's; 360 or just normal. The varial flip has no relation to the treflip in my opinion, because the pop and scoop is different.
The Two Main Foot Positions
1. Begin with your back foot in the very corner pocket, use the area between the ball of your foot and your big toe. I like to think of it as "grabbing" your tail with the back foot.
2.At the same time, your front foot should be where ever you feel comfortable. For me, it is in the middle of the board with my front foot digging into the concave, pointed slightly more outwards than a normal kickflip. Find a position in which you can flip the board over successfully.
Here we go
While riding, maintain a solid balance.
With your body somewhat parallel to your board, sweep and pop hard in one motion. Your back foot is what makes this trick work, your front foot just guides the board. At the same time, flick and push your front foot straight out. Remember that this trick needs commitment, meaning follow over your board as much as possible. Jump where your board goes.
PATIENCE is key. Wait for your board to rotate and flip, suck your legs up or flare them to look all neat or whatever, and then wait to catch your board again. Get used to following your board in the air. The worst that will happen is that you will start landing with your board upside down, or even in a "primo." Falling on flatground does not hurt, so get back up and keep trying.
1. Your board will not flip over, and you land on it upside down.
You almost have it, but you need to kick/flick your front foot out harder. Not too hard that you stop rotating the board 360 degrees, just enough to flip the board. Ease into the amount of flick it takes you to successfully flip the board. If you can feel your foot dragging, the board should be flipping.
2. Under rotation
Chances are you learned varials first. Restart over, and practice scooping/sweeping your board a full 360 degrees. Try to land a few upside down, and then after you feel comfortable moving with your board in the air, start to successfully land the trick.
3. It appears your board flies away from you..
Remember about commitment. Usually in the beginning of this trick, you will throw your board out to expriment with the scoop and flick to get the trick going. The next step up is jumping where your board goes. Carefully watch where you throw your board, and start jumping in the general direction until you start landing with your board upside down, "primo", or hopefully just landing and/or slipping out.
4. One foot landings???
If you are landing with your front foot first, all you need to do is get that back foot stomped and locked on to your board. At this stage, it is possible you are afraid of slipping out or just plain old committing. Crack your balls on the park handrail or get someone to kick you there, because you need to grow some new balls and land this trick.
If you are landing with your back foot first, either you aren't scooping enough in the first place, or you aren't following your board as best as possible. Same advice as mentioned above ^.
Give or take the amount of time you have been riding a skateboard, it may take a day to a month to learn this trick. Be patient.