It depends on the bows intended purpose.

My hunting bows are setup witha tubeless peep, 2x crossbow limb savers, 2x tied in nock sets, and a loop.

My 3D bows are setup witha tubeless peep, 2x tied in nock sets, and a loop.

The bow I use for indoor 3 and 5 spot, FITA, and field are setup with a tubeless peep, 2x tied in nock sets, very small eliminator kisser button, and loop.