According to the Napa Valley Register:
One of the difficulties of drinking wine while picnicking on the ground is finding a steady place to put the wine glass.
A South African entrepreneur has patented a gadget that will allow you to put your glass down on any kind of terrain and avoid spilling or tipping it. Seems simple enough — it’s a round tray-like device with spikes on the bottom that are pushed into the turf. Put the glass in it and then sip away. He calls it Glass in the Grass.
Imagine how this scene could have been improved by the addition of this invention:
Le Déjeuner sur l'herbe.