Amazon.com: Mini Skater 2 x 3V CR2032 Spring Clip Black Plastic Button Cell Coin Battery Holder Case with 6 Inch Wire Lead ON-Off Switch.(Black,4 Pcs) : Electronics
Sewable CR2032 Battery Holder : ID 653 : $1.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Amazon.com: LAMPVPATH (Pack of 6) cr2032 Battery Holder Coin Cell Holder, CR2032 Battery Holder with Switch, 2 x 3V CR2032 Button Coin Cell Battery Holder with Leads On Off Switch : Electronics