Farming animals for leather is a water, chemical, and energy-intensive process. Fungal "leather" could help address sustainability problems when farming and using animal leathers, as they can have similar structures to animal skins and perform physically like leathers. The research requires cross-linking fungal mycelium onto a bacterial cellulose matrix to improve fungal-mat flexibility, strength, and leather feel. We aim to refine protocols for these fungal-bacterial biocomposites.