The physics of adhesion is real, but so is the power of persistence. If you're patient and apply gradual pressure, the cylinder will eventually give—especially if you're willing to get a little messy in the process.

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The viscosity and cooling of the butter-banana mix create a sort of makeshift glue, but if the cylinder is metal, it's still possible the butter and banana mixture could create a strong enough bond to resist even gradual pressure.

The key is that even a strong bond can be overcome with the right technique—like using heat or gentle pressure in the right spots.

The shape and tight fit matter, but if the cylinder is even slightly flexible, it’s more about coaxing it out than brute force.