[Q]: Which of the following solutions is better for the following goal:
To secure a piece of leather under a laser,

[A]: use scotch tape to tape the leather underneath the laser.

[Q]: Which of the following solutions is better for the following goal:
How to put batter in a loaf pan

[A]: Scrape the batter into the prepared loaf pan and smooth the top with the back of a spoon.

[Q]: Which of the following solutions is better for the following goal:
ice cream scoop

[A]: handle can be twisted with rubber band to make gripping easier.

[Q]: Which of the following solutions is better for the following goal:
To make two ingredient Nutella Mousse

[A]:
Gather ingredients (Nutella spread and whipping cream), gently heat Nutella, then beat whipping cream until it holds it shape, gently combine the two, chill, then serve.