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Georg Essl, Michael Rohs, Sven Kratz
Squeezing the Sandwich: A Mobile Pressure-Sensitive Two-Sided Multi-Touch Prototype
Demonstration at the 22nd Annual ACM Symposium on User Interface Software and Technology (UIST), Victoria, BC, Canada. (bib)

Two-sided pressure input is common in everyday interactions such as grabbing, sliding, twisting, and turning an object held between thumb and index finger. We describe and demonstrate a research prototype which allows for two-sided multitouch sensing with continuous pressure input at interactive rates and we explore early ideas of interaction techniques that become possible with this setup. The advan-tage of a two-sided pressure interaction is that it enables high degree-of-freedom input locally. Hence rather com-plex, yet natural interactions can be designed using little finger motion and device space.