The single components offer each other their strengths to balance out weaknesses, or let the designer reach his goal on the contrary way. 
Sometimes the gut takes the lead and initiates a project in a playful way, then again the head creates new concepts and leeways for the gut.
Digital and analogue tools are mixed up. Handmade designs are digitally varied and perfected. Digital designs provide the template for a realization by hand and by using real materials. Often digital and analogue tools are switched many times until the final product is finished.