Longdraw Half-glove

Instant - Destroy this, put 2 cards from your hand and/or arsenal on the bottom of your deck: Your next arrow attack this turn gets +4

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Battleworn

Rulings

From the Part the Mistveil release notes

In addition to destroying Longdraw Half-Glove, the cost to activate Longdraw Half-Glove is also putting a total of two cards from your hand and/or arsenal on the bottom of your deck. To fulfill this cost, you can either put two cards from hand, or two cards from arsenal, or 1 card each from hand and arsenal. You cannot activate Longdraw Half-Glove if you cannot pay the cost.

Keyword notes

Battleworn - Equipment that wear down after each time they are used to defend. If you defend with a card with Battleworn, put a -1{d} counter on it when the combat chain closes.

When you defend with a card it remains on the combat chain until the chain closes, therefore you cannot defend with an equipment multiple times on the same combat chain.
A -1 counter stays on the card until the card is destroyed or the game ends.
If the defense of a card that is defending is below zero, its defense value is considered to be zero.
When this card is destroyed, it is sent to your graveyard. (Not when it has 0)
When this card is destroyed, it is sent to your graveyard.
If the defense of a card that is defending is below zero, calculate as if its defense is zero.