A video posted on Instagram by Chef Matt Cooper has gone viral, showing a woman using a mop to apply barbecue sauce to meat. Netizens have expressed concerns about the hygiene of the practice, questioning the cleanliness of the mop and the potential for lint or bacteria to contaminate the food. Cooper has defended the technique, claiming that the mops are specifically designed for bulk production and that they are not contaminated. However, the video has sparked a debate on food safety and the use of unconventional utensils in food preparation.