How Hot Is TOO HOT?

[HarryJenkins]

Hi,

Since I am very new to pipe smoking, there are many things I'm unsure of. One is this: When breaking in a briar, how hot can the bowl get without fear of damage? Honestly, from all of the talk here and the reading I've done, I'm more than a little scared. I just want to take the best care of my new pipes that I can as I'm breaking them in. Can/Should a new briar be smoked more than once in a single day?

Please help.

I didn't find the right solution from the Internet.

References:
http://pipesmagazine.com/forums/topic/h ... is-too-hot
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Thanks