The feel/texture of c1=r1=p2 is hair-raising/sets one's teeth on edge/squicks/gives the willies/heebie-jeebies to p1, who touches it with p3 [a locus on p1 or an instrument] at p4 [a locus on c1=r1=p2].
The unpleasant feeling induced is the same as that in tinmosycpina, but caused by touch rather than hearing.