Thanks for the crits Mossbros, yeah I definately need to work on defining the forms of my character studies without relying on linework. The lines at the moment are definitely quite OTT, I need to work on a different method for rendering this stuff :)
I think you need to look more into form, musculature and shadows that help define form for your character sketches. At the moment they lack all of the above and only cater to line information. look into painting faces based upon how muscles sit and also the proportions without using those intense black lines, they should…