Most of the great selection shops have closed since so everything's web-based, but there are a few
https://www.nytimes.com/2015/05/17/nyregion/chelseas-risque-businesses.html
*Nasty Pig - 259 West 19th Street
https://store.nastypig.com/pages/contact
*The Leather Man- 111 Christopher Street
http://www.theleatherman.com/
*Rainbow Station - 203 Eight Avenue
http://rainbowstation.nyc/
*Vive212 - 212 8th Ave www.vibe212.com
*Purple Passion - 211 West 20th Street
https://purplepassion.com/
*The Blue Store - 206 Eight Avenue
https://foursquare.com/v/the-blue-store/4be4b6f3d4f7c9b6dc972420
These are not gay fetish, but have hot edgy mens selections
*Chelsea Exclusive - 222 8th Ave www.chelseaexclusive.com
*Parke & Ronen - 176 9th Ave www.parkeandronen.com
*Under Armor Brand House - World Trade Center 185 Greenwich St
*Jeffrey - 449 West 14th Street
https://www.jeffreynewyork.com/men
*Barneys Downtown - 101 7th Avenue
https://www.barneys.com/store/downtown/R-store-001
*Bergdorf Goodman Men - Bergdorf Goodman Men's 745 Fifth Avenue
https://www.bergdorfgoodman.com/stores/goodmans-mens-store
*Opening Ceremony - 35 Howard St www.openingceremony.com
*Nordstroms Men's Specialty - 235 West 57th
https://shop.nordstrom.com/store-details/nordstrom-mens-store-nyc