Emily's workshop Southern Seminar 2007 This one-day seminar was kindly held at Emily Mayer's workshop in Norfolk on 1 December 2007. EMILY MAYER - demonstration on casting some mackerel using a new silicon spray-on system which was perfect for many applications in taxidermy. DAVE DYER - making of groundwork by David and his son. Dave showed a range of techniques to produce some realistic results. Items on Show If you note a listing is incorrect or you have (better) photos, please Contact.