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Kinking of the radial artery line is a common problem with malpositioning of the hand in the anaesthetised patient during surgery. Line kinking can cause digital ischaemia1 and altered arterial blood pressure readings. Repositioning the line whilst the patient's hand is under sterile drapes is difficult, disrupts surgery and can prolong the duration of anaesthesia. A simple and cheap solution is to use an inflated latex glove and position the patient's hand with interlocking fingers around it as shown in Figure 1, thus maintaining dorsiflexion of the patient's wrist and so preventing arterial line kinking.