Block breakers

• Chip makers, of a sort
• Chipping tools
• Timeless moments about big film showing requirements for climbers?
• In case of emergency, opt for special climbing gear
• They produce chips off the old block
• In case of emergency chooses sharp tools
• They may produce chips off the old block?
• NHL draftees?

Wiktionary Word definitions in Wiktionary
n. (plural of icepick English)