I use the photoescapeinc htc .358 funnel for coated bullets sized to .358 in .357magnum and haven't had any issues. I crimp the same as I do for 9, 40 and 45, only to remove the flare.
If you're extra worried, make sure the bullets you're loading are actually sized to .358 and the brass is only being expanded to .358. Beyond that you can load bullets with a crimp groove and go to town, but I've never been a fan of that route.