"deckelsammler, the bottle opener that collects the caps so they don't end up in nature or hurt your feet. It offers enough space for the caps of a crate of your favorite drink."
"3d-printed with PLA, a biodegradable bio plastic."
"The thoughtful design ensures, that the caps are caught, so that they can be disposed of properly."
"The design was optimized in an extensive prototyping process with many full sized models."