Bonding With A Baby Chinchilla

This lady:

says playtime is how you typically bond with them but according to @Amethyst, playtime can make chins under 6 months overheat...
How else can I bond with them? Im gonna have 6 siblings, 5 which are under 6, including one that will be newborn...I've heard to not handle them at all the first week but my mom doesn't understand that you can't play with them the first week. She says they have been socialized and handled alot by our...

Bonding With A Baby Chinchilla