Once you get over the initial terror of cam hooks, they can be your best friend. They help you move quickly and are sometimes the only hammerless placement for a pin scar. When Leeper stopped production of cam hooks a few years ago, the aid climbing community was terrified. What would replace the most useful clean aid tool since offset aliens? Luckily, Moses Enterprises stepped up to recreate cam hooks. The next question: could Moses recreate them identically? Luckily, the answer is a resounding YES! Read more below and the full story here
If you are climbing a clean big wall that is not on sandstone you should definitely buy one of the Narrow sizes. Better yet, get two. If you are a big wall addict, you may eventually want to branch into other sizes. But the Narrow one usually gets the job done.
NOTE: Cam hooks are not appropriate for sandstone as the camming action blows out the edges of the crack. Instead, on sandstone load up on offset nuts, offset brass nuts and slider nuts.