This spicy pillows are definitely not for sleeping on! Bulging batteries are certainly a worry and best gotten rid of! Lithium cells love to give off gas as they deteriorate and this is what fills the mylar packaging. If you would like to buy me a coffee or support the channel you can do so via Patreon at http://patreon.com/backofficeshow I do have some bits and pieces on my web store at http://backofficeshow.com/ Please note: As an Amazon Associate I earn from qualifying purchases. As such links to Amazon products within this video may fall under this. Thanks to all of you who use these links and help support the channel - you are fantastic! Thanks you lovely people, and keep on tinkering!