The present invention relates to an adjustable light source holder (100), comprising an inner part (110), in the form of a partly spherical shell (214), configured to house a light source; an outer part (120), in the form of a partly spherical shell (324), configured to house and interact with the partly spherical shell of the inner part; wherein the inner part is tiltable relative to the outer part about an arbitrary tilt axis (130); wherein the inner part (110) is made from an elastic material; and wherein an outer surface (212) of the inner part and/or an inner surface (322) of the outer part comprises a rough portion (416, 426). Methods of manufacturing the adjustable light source holder and related directable spotlight systems are also presented.