im sure doing a 1 arm pull up on any hold is harder than font 7a+
That's a troll, right?
http://beastmaker.co.uk/?page_id=43Some VERY rough grades & projects:
Hang the sloper 45s with no thumb or nestle for 30 seconds or more: font 8a
One armer the 45s with thumb or nestle font 8a+
One armer the 45s with no thumb or nestle: font 8b+ PROJECT
One arm the slopey pockets on middle 2: font 8a+ PROJECT
One arm the slopey pockets on front 2: font 8b PROJECT
One arm the slopey pockets on back 2: font 8c PROJECT
One arm the 1 pad monos middle: font 8a PROJECT
One arm the 1 pad monos ring: font 8b
One arm the 1 pad monos index: font 8b PROJECT
One arm the 1 pad monos pinky: font 8b+ PROJECT
One arm the little pockets middle 2 Font 7c+
One arm the little pockets front 2 Font 7c+ PROJECT
One arm the little pockets back 2 font 8a+ PROJECT
One arm the little rung 3 finger drag: font 7c
One arm the little rung back 3 finger ½ crimp: font 7c+ PROJECT
One arm the little rung back 3 finger ½ crimp: font 7c+ PROJECT
One arm Right eye 3 finger drag font 7b
One arm Right eye 3 finger front 3 half crimp font 7c
One arm Right eye 3 finger back3 half crimp font 7c
One arm incut rung 3 finger drag, font 7a+
One arm incut rung 3 finger full crimp font 7a+
One arm incut rung 3 finger half crimp font 7b
If any of these appear on 8a.nu you will be considered to be either under house arrest and this is your only hope of real climbing. Or you are just very very cool, especially if you downgrade them.