from web site
Balisong fitness instructors include a special blunt and unsharpened "blade" and are legal in some areas where balisongs are not. See likewise [modify] Recommendations [modify]"Balisong and Butterfly knife techniques and strategies for newbies". Knife, Dude. Archived from Source on 2019-10-25. Recovered 2019-10-25. "legal belongings". Obtained 2019-10-25. Rivera, D. J. (August 27, 2017).
Pinoy Travelogue A Philippine travel blog site by DJ Rivera. Retrieved 2019-10-25. 'The Making of the Batangas (Balisong) Knife' by Dr Jopet Laraya "Balisong". Taal Heritage Town. Archived from the original on April 13, 2019. Imada, Jeff (1984 ), The Balisong Manual, California: Special Publications, p. 130, ISBN Shelley Anne Martinez (November 15, 2015).
Journey Under Blue Skies. Retrieved 7 January 2019. Brown, Trevor (October 22, 2018). "Butterfly Knife History". Obtained 7 January 2019. Morel, Guillaume. "Between misconception & reality". Balisong. web. Obtained 7 January 2019. "The History of the Balisong: What little bit I know of it". The Balisong Collector's Page. Retrieved 7 January 2019.
"Regularly Asked Questions". www. justice.ie. (e, ISB), electronic Irish Statute Book. "electronic Irish Statute Book (e, ISB)". www. irishstatutebook.ie. "Peili civilins apyvartos teisinis reglamentavimas". knives. lt. Obtained 2013-12-21. "Apie asociacij, peilius ir visk, kas su tuo susij ..." knives. lt. Obtained 2013-12-21. "Forskrift om skytevpen, vpendeler og am 9. Forbud mot vpen eller lignende som ikke faller innenfor vpenloven 1".
Retrieved 2006-11-05. "California Knife and Balisong Law". knifeup. com. 2013-01-07. Retrieved 28 February 2019. "Lethal weapons and knives". Honolulu Cops Department. Archived from the original on 2012-03-17. "Kansas Knife Laws". knifeup. com. 2013-02-19. Recovered 2013-02-12. (PDF). 2013-06-05. Recovered 2013-06-26. "Illinois Knife Law - Knife, Up". www. knifeup.com. "Indiana Knife Laws - Knife, Up".