redneck tools for the hobbyist

the man i owe the majority of my mechanical ability to has made all sorts of tools and modified a many to, mostly in the diesel truck market! he received a honorary doctorian degree for a injector puller he designed and built for a electronic cat injector when big wig at local cat dealer caught my friends son using it, now every cat dealer got one like it in tool room and there customers can buy there own with CAT logo and all...