Wreaker Rig Tradeshows and…

What are the accessories and rigging you could create for this market and related ones?

Expand your thinking.
What are the worker safety and comfort items that would be helpful for crash events that happen in the middle of nowhere? 

Think about camping gear, warming shelters, portable kitchens storage containers and… for this niche market. The same for the forest fighter support market, natural disaster teams, And…

Partner with companies who don’t sell into the markets that interest you and that you may already have connections and influence.
Either use their marketing and reputation or private label the products with your own product support and liability insurance.

This is one of several mega rescuing rig trade shows in the US and internationally.

I’ve NEVER Seen Heavy Wreckers Like These Before!
https://www.youtube.com/watch?v=m16xR6T5CDo