[Q]: Objective: Prevent tears when cutting onions.
[A]: Place a piece of bread between teeth.

[Q]: Objective: tarp
[A]: can be used outdoors as a truck cover to keep off rain

[Q]: Objective: What is a safe blade to use in a decorative guillotine?
[A]: A plastic or wood blade would be safe.

[Q]: Objective: To save flip-flops with split holes
[A]:
Use bread clips to hold the plunger in place.