Been away, long time since I raided here..

I have mostly 570 gear, except for 560 feet and a 545 ring. It would benefit me most to get either of those first, but I could also use 580 in any other slot for a lesser improvement.

So, if I roll on all slot upgrades, and win on a ring and body for example, can I ensure I get the ring, and not the body token? Or do I roll on just those, and increase my risk of getting nothing?

Does the order you roll in determine preference, or is it completely random what you get if you win rolls on multiple items?