is very wide since the threads are of a given dimension or thickness and the stitching occurs over each other to provide a double stitch all of this has the effect of not only thickening the end product but rigid sizes the product so that it lacks flexibility also comfort of wear is adversely affected and convenience in attaching the strip to the hair of the user is cumbersome referring to fig2 the novel hair extension is illustrated in the general direction of arrow 15 which includes a thin elongated fabric base strip 16 having a front surface which is coated with an adhesive such as glue or the like as indicated by numeral 17 the back or reverse side of the base strip 16 is plain while the adhesive 17 serves as an attachment adhesive intended to be engaged with the hair of the user in order to install the hair extension onto the head of the user a peel off strip 21 may be used to cover the tacky adhesive 17 and may take the form of a wax paper strip or the like an alternative construction is to provide the adhesive 17 in a form which will readily dry and therefore the covering peel off strip 21 need not be used the front side of the base strip 16 carrying the adhesive 17 is used to secure the top ends of a plurality of hair strands forming an array of hair to the natural hair of the user the ends of the hair strands are forcibly pressed into the adhesive 17 and after curing are firmly attached to the base strip 16 if desired the strip 21 may be placed over the.