Despite its classroom popularity, the Bold was marketed as a premium, black-and-chrome device featuring a leather-like backplate for 'successful professionals' and 'career builders'.

Source: https://www.dailymail.co.uk/sciencetech/article-11671753/The-10-iconic-retro-mobile-phones-remember.html?ns_mchannel=rss&ns_campaign=1490&ito=1490

Those Glock models that can be turned into selectable-fire machine guns seem to be skirting awfully close to qualifying under those sorts of conditions due to how simple replacing that backplate is.

Source: https://www.fark.com/comments/12762524?utm_source=feed&utm_medium=comments&utm_campaign=fark

You may need to remove the stock backplate from the motherboard first.

Source: https://www.digitaltrends.com/computing/how-to-build-a-pc/