A butter knife.
It was the best he could do considering that he was very anxious to get back out to his gear so it didn't get stolen or broken by a rampant minipet. Kettil looked ridiculous dressed in winter clothes and perched on a precarious portion of ice that may or may not be strong enough to support him.
Industriously he jammed the butter knife against the un-giving ice (he was making lots of ice chips, at least), and making no successful progress.
Chnkchnkchnk.
"DAMN YOU. BREAK."
CHNKCHNKCHINKCH-SCREECH.
He lifted up and saw that the butter knife had bent a bit.
"AUUUGH," he groaned softly.
kurotomato
Just so you can find it when you're ready. <3