The topic at hand is about finding emergency substitutes for a missing ostomy bag clip. A caregiver is in a situation where the clip for her friend's colostomy pouch has been accidentally discarded, and replacements won't arrive until the next day. Here are some suggestions for temporary solutions to prevent leaks:

1. Rubber Band Workaround: You can use a sturdy rubber band to wrap around the folded tail of the pouch as tightly as possible. While not perfect, it can work in a pinch.

2. Stationery "Binder" Style Solutions:
- Small spring-metal binder clips or paper grabs, typically found in office-supply or drug stores, can be used.
- Large paper clips are another option, though binder clips tend to provide a stronger hold.
- To use these, fold the pouch opening 2–3 times, then fan-fold it so the end fits fully inside the binder clip before securing. Users have reported no slippage when positioned correctly.

3. Check Local Hospital Wards or Medical-Supply Departments: They might be willing to provide a spare ostomy clip if you explain the situation as an emergency.

4. Alternate Pouch Brands: Some brands, like Coloplast SenSura Mio, have built-in closures such as Velcro, which eliminate the need for clips. However, this doesn't solve the immediate issue but could be considered for future use.