Singularity Boxes - Finger Groove (Patreon)

In what is undoubtedly the next great advancement of our age, I'd like to introduce the Finger Groove: the next leap forward in lid-box technology!  This new groove is meticulously designed for human fingers, allowing for maximal lid removal convenience.  

Pick up yours up today at your local Google Drive -> Singularity Boxes -> Lids with Finger Grooves.  https://www.patreon.com/posts/28259219 

There is also an updated version of the Looney Pyramid Box Lid with the grooves.

Half Sized Box with Finger Groove Lid: