Urugi rwimodoka rwambere rufunga ni urugi rwa mashini, rwakoreshejwe mu gukumira umuryango wimodoka gahita gafungura mugihe impanuka, gusa nkina inkunga yumutekano utera, ntabwo ari intambara. Hamwe niterambere rya societe, iterambere ryubumenyi nikoranabuhanga hamwe no kongera kwiyongera kw'imodoka, imiryango y'imodoka n'amakamyo yakorewe nyuma y'urugi hamwe nurufunguzo. Uru rugi rufunga gusa umuryango, nindi miryango irakinguwe cyangwa ifunzwe na buto yo gufunga umuryango imbere yimodoka. Kugirango urusheho kugira uruhare runini mu kurwanya ubujura, imodoka zimwe zifite ibikoresho byo gufunga. Gufunga gusomana bikoreshwa mugufunga igiti cyimodoka. Gufunga gusomana biherereye hamwe no guhuza umuriro munsi ya dial, bigenzurwa nurufunguzo. Ni ukuvuga, nyuma yo gufunga gucamo imirongo yo gutwika kugirango uzimye moteri, hindura urufunguzo rwo hejuru rwongeye kugera kumwanya ugarukira, kandi ururimi rwo gufunga ruzagera mumwanya wa shaft kugirango dufunge imashini ziyoboye. Nubwo umuntu akingura urugi mu buryo butemewe kandi atangira moteri, uruziga rufunze kandi imodoka ntishobora guhinduka, bityo ntishobora kugenda, bityo ntishobora kwirukana, bityo idashobora kwirukana, bityo igahangana, bityo igacuranga, bityo idashobora kwirukana, bityo idashobora kwirukana, bityo idashobora kwirukana, bityo igacuranga, bityo idashobora kugenda Imodoka zimwe zashizweho kandi zikorewe nta gufunga ibirimo, ariko koresha undi witwa Crutch gufunga uruziga, kugirango imbaraga zidashobora guhinduka, zirashobora kandi gukina inshingano zo kurwanya ubupfura.
Ingingo yahinduwe kugirango uhindure cyangwa kuzimya moteri yumuzunguruko, ukurikije urufunguzo rwo gufungura ifunga, ariko kandi ugira uruhare runaka muri Anti-ubujura.
