These lapel mics are very versatile; placement and mounting depends on which application the mic is being used for. In theater applications, lavs are often concealed in the performer's hair, forehead or even in their clothing. In television and public speaking applications, the lavalier will typically be clipped to the subject's clothing, usually on the tie, jacket or collar. As mentioned above, lavalier microphones are very common in film applications, where they are hidden under clothing.
To attach these bodyworn mics to the talent, a wide variety of small clips are available to mount the mics on collars, ties or other clothing. There are also accessories that allow these mics to be hidden in button holes, underneath clothing and in the hair.