Here are my anti-tip, anti-spill devices:
[ATTACH=full]143999[/ATTACH][ATTACH=full]144000[/ATTACH]
These are the inner seals from adult resistant pill bottle caps, hot glued to the bottom of bottles.
[ATTACH=full]144001[/ATTACH][ATTACH=full]144002[/ATTACH]
This is an empty Tiger Balm™ jar. Very hard to knock over.