Springblade (5e Equipment)
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Martial Ranged Weapons
This is a small metal plate strapped to one's arm. It is fired by a flick of the wrist, and takes disc blades as ammunition. It can be tucked under a loose sleeve, and made nearly unnoticeable.
Special: You must take a bonus action to cover this weapon after firing it if you want it to stay hidden. Make a Slight of hand check vs Perception check from the targeted creature. In addition, while it is hidden, you can wield a weapon that doesn't attach to the hand our wrist in the same hand as this weapon, But you cant use this weapon until the hand is freed.