• heat mat on dining table is safe and costs very little.
• I think the old CDs are relatively safe.
• I also smashed boy’s correction tape. Not so good.
• Close to the extreme, Grandma used to smash ceramic ware. I think that’s fairly common in China. We have spare at home.

— some smashers … I feel these may not be effective in boiling anger.

• Sugg: soft drinks? Smash without breaking?
• Sugg: Buy or (pick up) some plastic utensils to smash, such as my spare bottles
• Sugg: How about packets of biscuits?
• how about fruits?