Overstable, and reasonably fast/wide rim. Something like the typical speed 9 OS driver like Firebird class is a good start. If you get to the super fast speed 14's with sharp rims then they can dig in sometimes, a little bit blunter nose is slightly more forgiving to always skip. That being said those OS speed 14's skip like mad when they do.
Number 1 is the disc needs to be going fast enough when it contacts the ground that it wants to fly at least as far as you're hoping it to skip to. Say that there's a corner 100' out and you want to then skip 30' left. You need to put at least 150' of power into the shot and throw it AT the ground 100' out with a slight hyzer. You need that extra speed so that the extra 50'+ it would have flown if you threw it a normal height will turn into a nasty flare left.
Throw nose down, with a touch of hyzer. You want the hyzer side of the wing, so left side RHBH, to just barely touch the ground. Like 10 degrees hyzer is what I aim for. Nose down so the disc powers forward, the left side just contacts, then it will flare left real hard.
If you want a straight skip I feel that you need pretty hard packed ground, and a bit of a straighter disc, still fast, and still contact with a touch of hyzer. For example if I want a straight skip I will throw a Thunderbird or something in that stability range instead of a Firebird and the Thunderbird will push more forward after that overpowered ground contact. This is for an early in flight trick shot though, they will still drift left or right but they won't flare as extreme to the side like a Firebird will. On really hard pack ground you can throw a nose up putter/mid backhand into the ground early and it will skip straight up in a floaty way, this is not a shot I am good at but I've seen it done many times. Best done off sidewalks or very hard dirt.
Remember you want to MEET the ground at the contact point with way more power than it takes to get to that spot, you don't want to throw it into the ground. And a touch of hyzer angle really helps make sure you don't dig in nose down and stop. You'll get the hardest flares if you throw a truly OS disc, and it contacts the ground when the HSS is making it bank into the fade rather than LSS. If it hits the ground with the HSS banking/angling the disc you'll get massive kicks to the side. That's also why the hyzer angle helps, since it makes the disc really want to fade even sooner rather than prolonging a flat flight until the disc slows. When in doubt go faster, more OS, and throw harder. Also stiffer discs tend to skip more, generally.