3m speedglas 9100xx helmet. Great deals on eBay as pple get new gear.
You'll be able to see the puddle and surrounding work and your welds will be so much better. Just get used to turning it on first.
"X" bracing. Fasten upper x to table and lower x to legs as far down as possible. Flat bar, pipe, wood etc for material and you choice of fastening method.