I didn't realize this was so complicated. Yoga is used to improve balance, agility and flexibility especially around the waist. That way you have a larger range of motion that you can slip and you can move without throwing your back out.
Then make sure to shadow box and incorporate lots of headmovement and do it with your eyes closed (idea from scrap) which would help with your balance and proprioception.
Also YES use a slip line. This is the style I use. After you get good with this, you can try it with your eyes closed a little as well
And I personally do all the things I just recommended to you and it works. The only other thing I'd add is to jumprope. You'll want some bounce and fluidity to your step if you want to be slick