Sounds almost too good to be true, but check it out yourself:
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2999245/
Link to the product:
http://www.medintim.de/man-constipation-colorec-premium-toilet-seat/
Im using the poor mans version, a gloved finger to support the area, and now after a week, Im pretty sure Im getting results. BMs feels different, and I no longer have that sensation/pain in the fissure site. (maybe caused by small retears?)
Anyway, judge for yourself :D