Are you serious about improving the power of your kicks ?  - This book is a BEST SELLER and contains all of the necessary details for you to make an adjustable holder -- USES - When built it will look like the picture and can be used free-standing or placed against a wall for practice by one person -- SIZE - The holder will fit into the boot of a car for easy transportation and the height will adjust for use by any Adult or Child -- DETAILS - the book contains every detail that you will need and it includes many helpful hints and tips - All are very clearly written with detailed diagrams -- BOARDS -You can use several boards of the standard 28 x 28 cms size and we have a choice of these available in this website.