If you're continually missing PR attempts off the floor, try using block pulls off 3-4 inch blocks. This will allow you to challenge your hip and back position at an angle that mimics where the bar will be right after you get it off the floor.
Experienced lifters should do these with a quick set-up and a rapid descent.
related posts
Think you're an alpha male? Here are some brutal challenges that might make you feel like a poodle. Wearing a pink bow.
Only newbies can bring up every lift at the same time. Once you get stronger, you'll have to get smarter. Here's how.
Bands, chains, boxes, agility drills. They have their place, but there's some really bad info out there. Here's what you need to know.
Fix your technique and turn up the time under tension with this brutal variation.