I just got consistent with them a couple nights ago. Commitment was my biggest problem. When I popped on I'd stop my rotation at 180 because I couldn't get my head around. This is what helped me:
- Do a 360 next to the rail to practice following through with your head to lock the rotation
- Pop before you spin! Say it to yourself over and over then take it to the rail. Keep your knees bent and shoulder witch apart.
- If you're doing it at home, try keeping the rail low to the lip of your jump to start. That way it's not so intimidating. Raise it up as you feel more comfortable with the trick until it's truly an urban feature
- Bring your head around. That's the biggest issue for many I think. Commit and bring it around then you'll get the lock.
hope this helps