Hollow heart can be stitched under any neck design like round, collar or sweet heart etc. you can experiment to make hollow star, circle, or any shape the method is same as shown in video subscribe to learn stitching in easiest way like ...
by Silai Course
by w_s fashion
by Emode Easy Stitching
by mudhra videos
by Reet Designs
by Punjabi Hand Embroidery
by Nakshi Katha Design