Martial Exertion Gloves are a rare pair of Gloves that allows the wearer to gain an additional attack and double its movement speed for one turn at the cost of taking some damage.
'You drop and give me thirty you sumbitch; you think a bugbear's gonna roll over and let you rub his tummy? One two three four - keep going maggot! Stronger, better, tougher!' - Any Sword Coast Drill Sergeant, Invariably
Properties
Gloves 
Rarity: Rare
Weight: 0.5 kg / 1 lb
Price: 160:580 gp
Special
The wearer of this item gains:
: Push past your physical limits, taking 6d6
Piercing damage to gain an additional attack per turn and to double your movement speed 
Recharge: Short rest.
Where to find
- Sold by Bumpnagel in Angleiron's Cellar (accessible via a cave entrance at X: 30 Y: 29 in Rivington).