Well if anodized aluminum is an option because it would conduct heat well and the coating is an insulator I had an idea but your wives are not gona like it.....
Whats round, hollow, anodized and comes in all sizes? Knitting Needles! I may have to run to Michaels and have a look at these tomorrow, well if they are open.
Whats round, hollow, anodized and comes in all sizes? Knitting Needles! I may have to run to Michaels and have a look at these tomorrow, well if they are open.