Device (100) composed of an accessory element (101) and a related tie (1.1.3) for clothing, comprising: - an accessory element (101) configured to be located at the front, part of a person's neck, in the position in which the knot of a common lie is generally placed, comprising in turn: a closed front, part (105), which approximates the shape of a shell; an open, rear part (106), inside which there is a "Y" shaped cavity, having a lower passage space (112) with relative horizontal lower loop (111), an upper left passage space (107), with relative inclined upper left loop (109), an upper right passage space (108), with relative inclined upper right loop (110); - a tie (113), made up of a strip of fabric, or other similar material for clothing, having a typical shape of a common tie, or an alternative shape that extends in length, this tie (113) being passed normally with its upper parks (103) and (104) around the collar of a shirt, or other similar garment, in order to be rejoined at. the front to its ends (102) and (114) in correspondence with the above said accessory element (101), making then pass one of the ends (102) or (1.1.4) of the same tie (113) through the above said lower (111), upper left (109) and upper right (1 10) loops, and then making one or both of its ends (102) and (114) hang in the front, in such a way as to define a stable overall structure, possibly adjustable in length, and therefore constitute a device for clothing (100), aesthetically similar to a common tie with respective knot, the above said device (100) characterized in that: - said accessory element (101) includes integrated electronic means within itself, which implement NFC
Near Field Communication technology, and which allow information to be stored in digital format, and therefore communication with readers, smartphones, computers, tablets and other similar devices located in the immediate near-by location; - among the stored information there is a link or a cryptographic hash to a NFT (Non Fungible Token) code into a
blockchain, uniquely associated with the same accessory element (101), thus giving the overall product specific characteristics of uniqueness and exclusivity.