So, you're a 9-5 business man/woman, planning an alpine-style attempt on the Shining Wall of Gasherbrum IV this summer. While hitting up the climbing gym after work is probably beneficial, those round, plastic holds won't, by themselves, adequately prepare you for soloing M4+ at 7,600 meters...
The solution for you is Wednesday Night Alpinism: Leave work at your usual time, drive straight to the mountains, and go alpine climbing all night, preferably in horrendous weather. The difficulty of staying awake at work the next day will help train you for the 40+ hour summit push on GIV...
Dylan and I climbed the East Face of The (Mighty) Tooth on this not-long-ago Wednesday: