I do a lot of hand sewing in the evenings - mostly EPP. If I had £5 for every time I had to dismantle the sofa to find my scissors I would be a rich woman!
Hopefully, this will help. It is a cushion filled with polystyrene beads, topped with a thin board covered with fabric attached by Velcro. The pockets on the board will keep things safe, I hope. The cushion should also improve my posture so I don't get aching shoulders.
The embroidery designs are from Urban Threads - I separated a design into it's components. The needle pocket has a strong magnet inside.
I am mainly knit when watching TV and although I try to keep things like scissors, tape measure, cable needle, wool sewing needle on a tray and odd balls in a basket I have to look between the cushions and under the sofa all the time. Those things have a mind of there own if you ask me.
When I was small my mom left her scissors on the sofa. Unaware, I sat down and they stuck in my outer thigh/hip area. I still have the scar. They were very long, very sharp pointed.