What Did We Find While Bass Fishing Lake Erie

This video Jim and I found something along the bottom of Lake Erie. We aren't quite sure what it was. If you have an idea, please post a comment below.
Message Boards mentioned in video are listed below.
Ohio Game and Fish https://www.ohiogamefishing.com
Bass Boat Central https://www.bbcboards.net
Links to equipment used in this video.
MarCum Pursuit HD L Lithium Equipped Underwater Viewing System https://amzn.to/3zrMFuX
Humminbird Helix 12 with side imaging. https://amzn.to/3xI3KQK
GoPro Neck Mount https://amzn.to/4bLDG52
GoPro Hero 10 https://amzn.to/3Ya4oBd