Joined: Jan 2008
Posts: 23,642
Likes: 1,106
From: Mans of NC & SW UT Desert
Bikes: 86 Katakura Silk, 87 Prologue X2, 88 Cimarron LE, 1975 Sekai 4000 Professional, 73 Paramount, plus more
+1 On an old style cup and spindle bb, a large bench vise can work, or the solution posted by BG. Sheldon Brown site goes into detail on the bolt/nut washer solution.
Shimano cartridge bb is much easier, just a bolt and washer to hold your socket in place, then a long open end wrench.