Buddy heater

Am I the only one that has been thinking how to construct of these to heat up some lunch on the ice but now seeing someone finally makes and sells them. seems like it should have been invented/made years ago with how simple the theory is

https://www.scheels.com/p/lakco-heat-stream-cooking-griddle/08282818016.html?utm_source=facebook&utm_medium=social&utm_campaign=FBM_DPA_BroadAudience_092320_styleyouthadult&fbclid=IwAR2W0UN34bfZEC916sZzeKx-6OHog_BbCYZlYOfDjTLpvoeESaDV0I2d-EU

These or different forms of them have been around for years. I picked up a stainless steel grate one over 5 years ago at the ice show. They work great. Just don’t use anything too greasy on them.

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