Dr Fowler

Item description: A pair of oxblood leather gloves with translucent stitching. The finger pads are coated in a onyx colored resin which reverberates in response to movement of the fingers. Sounds produced with the gloves create a several seconds long echo.
This effect is still present even during tests conducted at Site-██'s Anechoic Facilities.
Date of Recovery: 3/12/19██
Location of Recovery: Paris, █th Arrondissement
Current Status: [DATA EXPUNGED]