The key is that the butter and banana aren't just sticky—they're also viscous and likely cooled to a semi-solid state, making it more like a trap than just a simple adhesion. You don't just pull it ...
The viscosity and semi-solid state of the mixture would create a significant resistance, but the key factor is the surface tension and how the cylinder is embedded—without lubrication, extraction would require forceful dislodging.
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