1. Hom hniav: Muaj ntau hom hniav rau razor barbed hlau, xws li sawtooth hom, spike type, fishhook type, thiab lwm yam. Cov hniav sib txawv yog tsim rau ntau zaus thiab yuav tsum tau ua.
2. Hniav ntev: Cov hniav ntev ntawm rab chais barbed hlau feem ntau yog 10cm, 15cm, 20cm, thiab lwm yam. Qhov ntev sib txawv kuj tseem cuam tshuam rau kev tiv thaiv thiab kev zoo nkauj ntawm cov hlau barbed.
3. Hniav sib nrug: Cov hniav sib nrug ntawm rab chais barbed hlau feem ntau yog 2.5cm, 3cm, 4cm, thiab lwm yam. Qhov me me ntawm qhov sib txawv, qhov muaj zog tiv thaiv muaj peev xwm ntawm cov hlau barbed.