Historical clue formulations

• After-meal amenity — 2021-03-10
• Amenity in many a picnic box — 2020-02-28
• After-dinner amenity — 2019-11-08
• BBQ restaurant handout — 2019-07-19
• Moist towelette — 2017-12-28
• Moist towelette — 2015-08-04
• Post-cookout item — 2013-01-19
• Moist towelette — 2003-02-13