Deciding to chant the mantra a certain number of times daily will help foster the japa habit. We should always keep a rosary with us for doing japa. A rosary can be made of 108, 54, 27 or 18 beads of rudraksha, tulsi, crystal, sandalwood, gems, etc, with one 'guru bead'. We should resolve to chant a certain number of rosaries (rounds) daily.