Get essential tools for permaculture gardening with 20% discount: https://ecominded.net/garden-tools - Russian flat-cutters made of iron and titanium, ploskorez "Heart" and "Super-Spade" which is not actually a spade - great tool for loozening the topsoil. The 20% discount offer valid till October 31st.
The videos below will show you how to use different types of ploskorez/flat-cutters/super-spade:
Ploskorez Heart in use: http://www.youtube.com/watch?v=sDuWAt6_JM8
Super-spade in use: http://www.youtube.com/watch?v=DWFtEcpSIlg
Ploskorez Fokina in use: http://www.youtube.com/watch?v=JVct-bWc28M