They are more likely to be called "extenders" or "extender cables" or "cable extenders". VGA extenders are sometimes called VGA boosters. They function as thickeners, extenders, emulsion stabilizers and are exceptional binders in processed meats. Other ingredients such as grains or breadcrumbs may be included as fillers or extenders. Such extenders have one male and one female connector. To extend the feed lines even further "line extenders" are used which are small amplifiers. Some other specialized gear includes camera traps, hides, ghillie suits and flash extenders. Shift registers can also be used as pulse extenders. HTML applications are also not fully supported for streaming to extenders. RS-422 is a common transport mechanism for RS-232 extenders. A maximum of two extenders can be configured within the software. Boom operators are used in McDonnell Douglas KC-10 Extenders and Boeing KC-135 Stratotankers. WMC provides limited support for streaming XBAPs to Windows Media Center Extenders. These limits were later bypassed using DOS extenders. Alarmed passengers tackled him and tied him up with seat belt extenders.