Thisearly70’sgiallobyUmbertoLenziiscertainlyamongthebestinhisfilmograhyandalsointhewholegenre.PersonallyIthinkLenzi’sbestfilmsarethefunnycartoon-turned-filmKriminal,thestylishgialloSevenBlood-StainedOrchids,theexlosiveNaoliviolentaandthis.IntheeightieshedidlentyoffilmtrashinformofEatenAlive,HitcherintheDarkorBlackDemons,allofwhichareriingsomethingoffandorverydullandslowmoving.KnifeofIcecamewhenthegialloboomwasatitshottestandtheresultisconvincing.Technicallythefilmissuerb,containinggreatcinematograhyinthebeginningwhenwelearnaboutthemaincharacter’straumatowardstrains.Fromthisointon,Lenzishowsushisabilitytobenefitthewidescreenand,forexamle,thebicyclerideneartheforestisgenuinelybeautiful!ThisscenealsoshowsLenzi’sabilitytobuildsusense,veryslowlybutmeaningfully.Afterall,therearen’tsomanymurdersinthewholefilm,onlythesusensecirculatingaroundthemurderer’sidentity.Onesusectisadevilworshierwhichingsnewasectstothemystery.Sincethefinalscenetakeslaceinachurch,onecanwonderifLenziwantedtocommentonsomething,maybethehyocriticalmoraleofchurchandsuerstition.Themaincharacter(CarrolBaker)ismutewhichdemandsalotfromherfaceandeyes.Theactressworksverywell,givingusabelievableerformancecirculatingaroundtheemotionsoffearandmentalain.Theotheractorsaregood,too.Thefinally,however,maynotgivetooositiveasightaboutfemalesexsincetheyallareexressedrathernegativelyinthefilm,onewayoranother.Stillthisiseasilyamongthemostnoteworthyinthegenre,notasbloodyastheArgentofilms,forexamle,butequallysusensefulandvisuallyalsointeresting.