It's not often I get to work with chalk. It never ceases to amaze how much a difference it makes.

I've also been using this strategy to bring my deadlifts back up:
Very effective.
This is 16 Week Program but it’s $ and easy to fit into other programs:
Dead Lift Program: 460 1RM for 3/19 Cycle
Week 1: 5 x 5 x 70% (5 sets of 5 reps at 70% of 1RM)
Week 2: 5 x 3 x 75%
Week 3: 5 x 1 x 80%
Week 4: No deadlifting, but feel free to do accessory movements like good mornings, weighted back raises, reverse hypers, or pull-throughs in the 10+ rep range.
Week 5: 5 x 5 x 75%
Week 6: 5 x 3 x 80%
Week 7: 5 x 1 x 85%
Week 8: No deadlifting, but do accessory movements.
Week 9: 4 x 5 x 80%
Week 10: 4 x 3 x 85%
Week 11: 4 x 1 x 90%
Week 12: No deadlifting, but feel free to do accessory movements.
Week 13: 3 x 5 x 85%
Week 14: 3 x 3 x 90%
Week 15: 3 x 1 x 95%
Week 16: No deadlifting and no lower back work at all.
Week 17: Retest your max or compete in a powerlifting meet.