I good-morning more than I squat

Good Mornings:
(some random warm up sets)
405 x 8
455 x 5
495 x 3 (wtf??)

Ultra-wide deadlifts:
Plastic collars are inside the plates pointing out to extend the sumo deadlift 3" in each direction. They're murder on the hips.
225 x 10
315 x 9
405 x 5 (6? I don't remember)
315 x 10

(Giant set:)

Banded leg curls:
3 sets w/ green band til failure

Glute Ham Raise:
1 set bodyweight
3 sets + 25lbs

Band-resisted decline sit up:
4 sets w/ purples