These charcoal gray hand wraps slowly, constantly leak smoke.

• Your unarmed strike becomes magical. You gain a +1 to attack and damage rolls with your unarmed strikes.
• The wraps have 3 charges which rest with a long rest.
• When you hit a creature with an unarmed strike you can expend a charge to grapple the creature. this grapple does not require a free hand to maintain. You must stay within 10 ft of the creature to maintain the grapple. 

 You can spend a Ki point to instead cause the creature to become restrained. As an Action, the creature can make an Athletics or Acrobatics check vs your Save DC to escape the restraint.

Notes: Bonus: Magic, by a Way of the Shadow monk