1) Adorned 2) Adorned with nailheads 3) Decorated 4) Like many motorcycle jackets 5) Like some collars or tires 6) Like some tires 7) Like some winter tires 8) Made easier to grip 9) Scattered at intervals Found on https://www.crosswordclues.com/clue/studded
adjective dotted or adorned with or as with studs or nailheads; usually used in combination; `star-studded heavens`; `diamond-studded belt` Found on https://www.encyclo.co.uk/local/20974