Water Based and Wed Clay Videos

I'm going to post a series of video that, if not properly tutorial, are really useful to give you an insight into different sculpting techniques.
Different types of clay require different techniques (and sometimes tools) so I'm going to differentiate by clay type

Water based and WED Clay (or EM 217, a water based clay created for Walt Disney that dries more slowly)

Jordu Schell quick demonstrations on how he works:

Here he explains his process

Here he does a demonstration for Dreamworks

A five and a half hours video lesson on how to sculpt a portrait with Water Based Clay:

Quick sketch by Boularis (in WED):