AA Battery Insert Slugs

AA Slug (Nail Pocket) is a sheath for a larger nail, to take the place of an AA battery when using non-1.5v replacements in a multi-battery pack. Simply takes up the space where one AA battery would go, in those cases where filling the battery bay would result in over-voltage (ex. using Lithium Ion batteries in place of alkaline, as LiIon runs 3.6v per cell). Simply shove an appropriate-sized nail through the slug, then cut off the end for the + post. (pictured)

AA Slug (AAA Pocket) is a sh