The glue prevents the fossil from expanding and cracking from the sudden drop in pressure and change in humidity and temperature. The first thing you will need before you excavate anything will be Tools and some basic essentials. There are a few basic packs you should take for different environments. If the fossils are in solid rock. A good pack sack to carry the removed fossil.
Newspaper is used to wrap and protect the fossil after it has been removed.
A hammer and a large and small cold chisel are used to remove fossils from the rock. A steel prying bar may come in handy. A screwdriver, dentist pick and a paintbrush can be used to do fine work and brush away dust from the site. Plaster may be handy if you want make a mould of the fossil. Aquadhere wood glue is good for protecting the fossil as it comes out of the rock.