4-7-8 Locket contains multiple sensory components;

Sight for the 4-7-8 engraving which reminds the wearer of the breathing pattern; inhale for 4, hold for 7, exhale for 8.

Touch for the soft fur bit on the inside.

Taste and Scent for the lip balm on the inside.

(there are two sides to the locket split by glass so the lip balm doesn't spread.

There is space in the locket for one more personal item!