We have add the number and character board to the Frozen Armor.
Now you can not only store your mnemonic but also private key as well in your Frozen Armor.

Check this out:https://www.ebay.com/itm/283535717738?ViewItem=&item=283535717738&ssPageName=ADME:L:LCA:US:1123


https://www.amazon.com/dp/B07NHX34RK?ref=myi_title_dp&th=1